Going Out At Epsom Sir Alfred James Munnings

The picture has something of this: people, race, cavalry, competition, seated, motion, group, hurry, equestrian, mammal, horse, action energy, man, jockey, rider, track, festival, sport, wear.
Perhaps it’s a painting of a horse race with jockeys on horses and onlookers on the side of the track and onlookers onlookers.